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<p>The <em>IfcStateEnum</em> enumeration identifies the state or accessibility of the object (for example, read/write, locked).</p>

<p>Valid enumerations are:</p>

<blockquote class="history">
HISTORY&nbsp; New enumeration in IFC2.0.
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<blockquote class="change-ifc2x3">
IFC2x3 CHANGE&nbsp; This concept was initially introduced in IFC2.0 as <em>IfcModifiedFlag</em> of type BINARY(3) FIXED and has been modified in R2x3 to an enumeration. It was initially introduced as a first step towards providing facilities for partial model exchange and is intended for use primarily by a model server so that an application can identify the state of the object.
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